Progenies of NG2 glia: what do we learn from transgenic mouse models ?

Progenies of NG2 glia: what do we learn from transgenic mouse models ?
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DOI:
10.4103/1673-5374.286950
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发表时间:
2021-01
影响因子:
6.1
通讯作者:
Huang W
Huang W
中科院分区:
医学2区
文献类型:
--
作者:
Guo Q;Scheller A;Huang W

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在哺乳动物中枢神经系统中,神经胶质抗原2(NG2)胶质细胞被认为是继星形胶质细胞、少突胶质细胞和小胶质细胞之后的第四大类胶质细胞。在使用Cre/loxP策略的几个转基因小鼠模型中,已经仔细研究了NG2胶质细胞在体内的命运。NG2胶质细胞主要作为少突胶质细胞和星形胶质细胞亚群的祖细胞,主要分布在前脑腹侧,但NG2神经胶质细胞是否具有神经发生潜能尚缺乏充分证据。这篇简短的综述总结了最近关于NG2胶质细胞在发育过程中命运的研究结果。我们将强调NG2神经胶质细胞分化潜能的年龄和地区相关的异质性。我们还将讨论在先前研究的各种转基因小鼠品系中发现不一致的假设原因。
In the mammalian central nervous system, nerve-glia antigen 2 (NG2) glia are considered the fourth glial population in addition to astrocytes, oligodendrocytes and microglia. The fate of NG2 glia in vivo has been carefully studied in several transgenic mouse models using the Cre/loxP strategy. There is a clear agreement that NG2 glia mainly serve as progenitors for oligodendrocytes and a subpopulation of astrocytes mainly in the ventral forebrain, whereas the existence of a neurogenic potential of NG2 glia is lack of adequate evidence. This mini review summarizes the findings from recent studies regarding the fate of NG2 glia during development. We will highlight the age-and-region-dependent heterogeneity of the NG2 glia differentiation potential. We will also discuss putative reasons for inconsistent findings in various transgenic mouse lines of previous studies.
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